1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/tools/llvm-xray/xray-color-helper.cpp b/llvm/tools/llvm-xray/xray-color-helper.cpp
index ea7ff357826b..e2cae21e162b 100644
--- a/llvm/tools/llvm-xray/xray-color-helper.cpp
+++ b/llvm/tools/llvm-xray/xray-color-helper.cpp
@@ -13,6 +13,7 @@
 #include "xray-color-helper.h"
 #include "llvm/Support/FormatVariadic.h"
 #include "llvm/Support/raw_ostream.h"
+#include <cmath>
 
 using namespace llvm;
 using namespace xray;